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gyt95 avatar gyt95 commented on June 19, 2024

貌似关键在于您的css编写,设置height和overflow:auto后scrollTop才有记录,才能保存到store。但还是不太懂,希望能说说原理,谢谢

from gank.

xandeer avatar xandeer commented on June 19, 2024

src/App.vue 中,有下面两行:

transition(name='fade', mode='out-in')
    router-view

你可以试试将 transition 注释之后看看 scrollTop 的值是否会变化。

我也不是非常明白,猜测是加了 transition 之后,会对路由页面的生命周期产生影响,在 beforeDestroy 时拿到了有效的 scrollTop;而不加时却一直为 0

overflow 属性的默认值为 visibleauto 是在超过高度之后会出现一个 scrollbar,只有在可以 scroll 的时候才能拿到 scrollTop,一个不能 scroll 的元素,它的只能是 0

from gank.

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